html,
body,
#app {
    height: 100%;
    margin: 0;
    padding: 0;
    /* font-family: "HarmonyOS_Sans_Regular"; */
    font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
}